package com.gong;

import org.apache.http.HttpHost;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.indices.GetIndexRequest;
import org.elasticsearch.client.indices.GetIndexResponse;
import java.io.IOException;

//获取索引
public class ESTest_Index_Search {

    public static void main(String[] args) throws IOException {
        //创建ES客户端
        RestHighLevelClient esClient = new RestHighLevelClient(RestClient.builder(
                new HttpHost("localhost",9200,"http")));

        // 查询索引
        GetIndexRequest request = new GetIndexRequest("user");

        GetIndexResponse getIndexResponse =
                esClient.indices().get(request, RequestOptions.DEFAULT);

        // 响应状态
        System.out.println(getIndexResponse.getAliases());
        System.out.println(getIndexResponse.getMappings());
        System.out.println(getIndexResponse.getSettings());
        // 关闭ES客户端
        esClient.close();
    }

}
